10 Best Xfinity Cable Modems

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Best Xfinity Cable Modems Our Top Picks 2021

Best Overall




Motorola MB7621 Cable Modem | Pairs with Any WiFi Router |…


Motorola MB7621 Cable Modem | Pairs with Any WiFi Router |...

    Premium Choice




    NETGEAR Nighthawk Cable Modem CM1200 – Compatible with all…


    NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all...

    • Works with any wifi router
    • Save monthly rental fees
    • Modem technology

    Great Value




    NETGEAR Renewed C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cab…


    NETGEAR Renewed C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cab...

      Best Xfinity Cable Modems one which has below features:

      • Works with any wifi router
      • Save monthly rental fees
      • Modem technology
      • Not compatible with
      • Built for fastest multi-gig speeds
      • Voice phone support

      We have analysed and create the list of 10 Best Xfinity Cable Modems. We hope that our work will help you to choose the best product and clear the confusion about which one to choose.

      We analyse many Xfinity Cable Modems and choose a best one for you is a Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0, which comes with many features that you’ve never heard before. This one is the Best Xfinity Cable Modems in the market today. However, if you want to explore more and don’t want to spend big on Xfinity Cable Modems, then you can also choose NETGEAR Nighthawk Cable Modem CM1200 – Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet ports | DOCSIS 3.1, Black which comes with all the basic and good features that we expect in Best Xfinity Cable Modems.

      To help you in to choose best one, we have made this list of the Best Xfinity Cable Modems for you.

      Table of Contents

      View the Best Xfinity Cable Modems on the Market, Below.

      1.Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0

      Motorola MB7621 Cable Modem | Pairs with Any WiFi Router | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0

      • Model MB7621 is recommended for actual cable Internet service speeds up to 650 Mbps. Wirecutter rates this “the best modem for most people.” A Full-Band Capture Digital Tuner ensures faster, more reliable Internet.
      • Requires cable Internet service.Approved by and for use with Comcast Xfinity and Xfinity X1, Cox, Charter Spectrum, Time Warner Cable, BrightHouse, CableOne, SuddenLink, RCN, and other cable service providers. Eliminate cable modem rental fees up to 156 dollars per year. (Savings are shown for Xfinity and vary by cable service provider. No cable modem is compatible with fiber optic, DSL, or satellite services from Verizon, AT&T, CenturyLink, Frontier, and others. Model MB7621 has no phone jack.)
      • This cable modem’s 1 Gigabit Ethernet port connects to a WiFi router, computer, HDTV, game station, or streaming video device. Great for use with Whole Home WiFi or Mesh networks like eero, Google WiFi, and Orbi. (This cable modem does not have a built-in wireless router or telephone call capability. The Motorola MG7315, MG7540, MG7550, and MG7700 have a built-in wireless router.)
      • Attractive, compact design minimizes shelf space, improves cooling, and extends product life while looking great in any home or office. A 2-year warranty plus rugged lightning and power surge circuits protect your investment.
      • Setup is fast and easy using the quick start guide.

      2.NETGEAR Nighthawk Cable Modem CM1200 – Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet ports | DOCSIS 3.1, Black

      NETGEAR Nighthawk Cable Modem CM1200 - Compatible with all Cable Providers including Xfinity by Comcast, Spectrum, Cox | For Cable Plans Up to 2 Gigabits | 4 x 1G Ethernet ports | DOCSIS 3.1, Black

      • Compatible with all major cable internet providers with internet speed up to 2Gbps. Currently certified with Spectrum and Cox (up to 1Gbps) and Xfinity (up to 800Mbps). Future speeds with these service providers may change over time. Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
      • Save monthly rental fees: Model CM1200 replaces your cable modem saving you up to 168 dollars/yr in equipment rental fees
      • Works with any WiFi router: Connect any WiFi router to this modem’s Ethernet port to support all your wireless devices
      • Modem technology: Engineered with 32×8 channel bonding, OFDM 2×2, and DOCSIS 3.1
      • Four (4) Gigabit Ethernet ports give you fast wired connections to your computer, separate WiFi router, printer, game box, and other devices

      3.NETGEAR Renewed C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8×4 Download speeds. Certified for Xfinity from Comcast, Spectrum, Cox, Cablevision & More

      NETGEAR Renewed C3700-100NAR C3700-NAR DOCSIS 3.0 WiFi Cable Modem Router with N600 8x4 Download speeds. Certified for Xfinity from Comcast, Spectrum, Cox, Cablevision & More

      • Netgear Certified Refurbished product is manufacturer refurbished to work and look as new with 90 Day Warranty and email support. All accessories are included with limited documentation and additional information online. Netgear recommends to udpate the firmware for the device to be up to date.
      • Certified to work with Cable Internet Providers like XFINITY from Comcast, Time Warner Cable, Cox, Cablevision, Bright House Networks, & More (Not Compatible with Cable Bundled Voice Services).
      • DOCSIS 3.0 cable modem unleashes 8x faster download speeds up to 340 Mbps faster, smoother WiFi, and works with all major cable Internet providers (Not Compatible with Cable Bundled Voice Services).
      • “Netgear Refurbished product may have a removed serial number. You will need to state the product is refurbished (state the full part number) if emailing customer support. See the attached (image) flyer to obtain the Serial Number and MAC Address information that maybe needed by your Cable provider before contacting them.”
      • 8×4 channel bonding with Gigabit Ethernet Ports for fast wired, connections USB port to wirelessly share your hard drive.Double firewall protection (SPI and NAT firewall)

      4.NETGEAR DOCSIS 3.1 Gigabit Cable Modem. Max download speeds of 6.0 Gbps, For XFINITY by Comcast, Spectrum, and Cox. Compatible with Gig-Speed from Xfinity (CM1000)

      NETGEAR DOCSIS 3.1 Gigabit Cable Modem. Max download speeds of 6.0 Gbps, For XFINITY by Comcast, Spectrum, and Cox. Compatible with Gig-Speed from Xfinity (CM1000)

      • Support all cable internet speed tiers, up to Gigabit (1000 Mbps) service. Separate router required for WiFi.
      • ELIMINATE MONTHLY CABLE MODEM RENTAL FEES – Up to $120 per year;32 downstream and 8 upstream channels for DOCSIS 3.0 connection
      • DOCSIS 3.1 up to 10X faster download speeds than DOCSIS 3.0. DOCSIS 3.1 is OFDM 2×2+ DOCSIS 3.0 32×8 channel bonding
      • Compatible with Xfinity from Comcast, Cox, Mediacom Cable, and more.
      • Not compatible with: Verizon, AT&T, or CenturyLink. Not compatible with bundled voice services.

      5.Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 + Gigabit Router

      Motorola MG7700 Modem WiFi Router Combo with Power Boost | Approved by Comcast Xfinity, Cox and Spectrum | for Cable Plans Up to 800 Mbps | DOCSIS 3.0 + Gigabit Router

      • Fast 24×8 DOCSIS 3.0 cable Modem Plus a built-in AC1900 Dual band (2.4GHz and 5GHz) Wi-Fi Gigabit Router with four Gigabit (GigE) Ethernet ports, power boost Wi-Fi amplifiers, firewall security, and more. The maximum modem speed is 1000 Mbps, supporting service speeds up to 650.
      • Built-in high-speed router with AC1900 wireless and Power boost – Provides internet access for Wi-Fi devices including smartphones, notebooks, tablets, and more. 4 10/100/1000 Gigabit Ethernet LAN ports provide wired connections to Windows and Mac computers and other Ethernet-capable devices. A Broadcom cable Modem Chipset provides security from denial of service attacks.
      • Eliminate up to 156 dollars per year in cable Modem rental fees. (Savings are shown for Comcast Xfinity and vary by cable service provider.) certified by all leading cable service providers including Comcast Xfinity, Cox, Charter spectrum (no cable Modem is compatible with fiber optic, DSL, or satellite services, available from Verizon, AT&T, CenturyLink, Frontier, and others.)
      • Wireless power boost for better speed and range – Adds high-performance Wi-Fi power amplifiers to boost the wireless signals to the legal limit, giving a significant Boost in speed and range. In addition, anybeam Performing at both 2.4 GHz and 5 GHz frequencies focuses the signal on wireless clients to further enhance performance and range

      6.NETGEAR Nighthawk Multi-Gig Cable Modem with Voice CM2050V – for Xfinity Internet & Voice Supports Cable Plans Up to 2.5Gbps 2 Phone Lines DOCSIS 3.1

      NETGEAR Nighthawk Multi-Gig Cable Modem with Voice CM2050V - for Xfinity Internet & Voice Supports Cable Plans Up to 2.5Gbps 2 Phone Lines DOCSIS 3.1

      • BUILT FOR FASTEST MULTI-GIG SPEEDS: Best for cable provider plans up to 2.5Gbps.
      • WORKS WITH ANY WIFI ROUTER, BEST WITH WIFI 6: Connect any WiFi router to this modem’s Ethernet port to support all your wireless devices. For the fastest Internet, connect to a NETGEAR WiFi 6 router or Orbi Mesh system
      • COMPATIBLE WITH XFINITY INTERNET & VOICE SERVICE: Certified by Xfinity and ideal for Xfinity’s Triple Play plan. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH.
      • MULTI-GIG ETHERNET: 1 x2.5Gbps Ethernet port for the fastest, true multi-gig Internet connections.
      • VOICE PHONE SUPPORT: For use with Xfinity Voice service and up to 2 telephone lines with enhanced call features including caller ID, 3-way conference calling, call forwarding and more.

      7.Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers including Xfinity by Comcast, Spectrum, Cox (Renewed)

      Netgear Nighthawk Cable Modem WiFi Router Combo C7000-Compatibility Cable Providers including Xfinity by Comcast, Spectrum, Cox (Renewed)

      • COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and Cable bundled voice services
      • BUILT FOR FAST SPEED: Best for cable provider plans up to 400 Mbps speed
      • SAVE MONTHLY RENTAL FEES: Model C7000 replaces your cable modem and WiFi router saving you up to $150/yr in equipment rental fees. System Requirements Cable broadband Internet service, Check your cable Internet service provider web site for data speed tier compatibility, Not compatible with Cable bundled voice services, Microsoft Windows 7, 8, Vista, XP, 2000, Mac OS, UNIX, or Linux, Microsoft Internet Explorer 5.0, Firefox 2.0, Safari 1.4, or Google Chrome 11.0 browsers or higher
      • VERSATILE CONNECTIONS: 4 Gigabit Ethernet ports and 2 USB ports give you fast wired connections to your computer, printer, game box, storage drive, and other devices
      • FAST Wi Fi PERFORMANCE: Get up to 1800 sq ft wireless coverage and 30 devices connected with AC1900 speed (up to 1900 Mbps)

      8.ARRIS Surfboard (24×8) DOCSIS 3.0 Cable Modem Plus AC1750 Dual Band Wi-Fi Router and Xfinity Telephone, 1 Gbps Max Speed, Certified for Comcast Xfinity Only (SVG2482AC) (Renewed)

      ARRIS Surfboard (24x8) DOCSIS 3.0 Cable Modem Plus AC1750 Dual Band Wi-Fi Router and Xfinity Telephone, 1 Gbps Max Speed, Certified for Comcast Xfinity Only (SVG2482AC) (Renewed)

      • BlueDealz is only Authorized distributor for ARRIS Certified Refurbished Cable Modems. Approved for use with Comcast Affinity internet & voice service with rdk-b technology to support next-gen products and services

      9.ARRIS SURFboard SBG10 DOCSIS 3.0 Cable Modem & AC1600 Dual Band Wi-Fi Router, Approved for Cox, Spectrum, Xfinity & others (black)

      ARRIS SURFboard SBG10 DOCSIS 3.0 Cable Modem & AC1600 Dual Band Wi-Fi Router, Approved for Cox, Spectrum, Xfinity & others (black)

      • 3 products in 1: DOCSIS 3 0 Cable Modem, AC1600 dual-band Wi-Fi Router, 2 Port Gigabit Ethernet Router (cable digital voice service not supported)
      • Setup and manage your network with the SURFboard Manager app
      • Wi-Fi 5 AC1600 dual-band concurrent Wi-Fi Router with 2 Gigabit Ethernet ports
      • 16 downstream & 4 upstream channels. Best for cable internet service plans up to 400 Mbps.
      • Compatible with major U S Cable Internet Providers including Cox, Spectrum, Xfinity & others. Cable internet service required. Not compatible with ATT, Verizon, CenturyLink or other DSL or Fiber internet providers

      10.NETGEAR Nighthawk WiFi 6 Cable Modem Router with 90-Day Cyber Threat Protection Subscription (CAX30S)  – Compatible with Xfinity, Spectrum, and Cox, AX2700 (Up to 2.7Gbps) DOCSIS 3.1

      NETGEAR Nighthawk WiFi 6 Cable Modem Router with 90-Day Cyber Threat Protection Subscription (CAX30S)  - Compatible with Xfinity, Spectrum, and Cox, AX2700 (Up to 2.7Gbps) DOCSIS 3.1

      • Compatible with all major cable internet providers with internet speed up to 2Gbps. Currently certified with Spectrum and Cox (up to 1Gbps) and Xfinity (up to 800Mbps). Future speeds with these service providers may change over time. Not compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service
      • Plug in computers, game consoles, streaming players, storage drive, and more with 4 Gigabit Ethernet ports and 1 USB 3.0 port
      • Coverage up to 2,500 sq. ft. and 25 concurrent devices with dual-band WiFi 6 (AX2700) speed (up to 2.7Gbps)
      • Replaces your cable modem and WiFi router. Save up to $168/yr in equipment rental fees
      • DOCSIS 3.1 and 32×8 channel bonding

      Buyers Guide Questions

      You may have the following question in your mind before you buy Best Xfinity Cable Modems:

      Is Best Xfinity Cable Modems is worth to buy?
      It depends on your needs. If you have a requirement of this product then go for it as we reviewed and make list based on featured products and many people are currently using it so it is worth so go for it.

      Is there a place where I could get this same exact item for less money?
      We have list featured and best customer review product from Amazon.com and Amazon.com have great products with great deals and you will get value for money.

      Conclusion

      We have tried many pieces of research to give you as many details as possible. And We hope that you can pick up for yourself the Best Xfinity Cable Modems that can meet all your demands and serve you for years to go. And our favorite product is No. 1 – Xfinity Cable Modems due to many factors.

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